The recorded causes of kidney disease were as follows: diabetic nephropathy (in 21% of the patients), nephroangiosclerosis and glomerulonephritis (18%), interstitial nephropathy (7%), hypertensive nephropathy (5%), polykystosis (5%) and other recorded diagnoses (hereditary disease, solitary kidney, dysglobulinemia, and systemic disease) (22%).
Source: wiktionary